Col. Bill Knight (left), 11th Wing and Joint Base Andrews commander, observes a joint-training exercise between the United States Secret Service and 811th Security Forces Squadron Protective Services on The Courses at Andrews. The two-day training was the first large-scale contingency response exercise between Joint Base Andrews and the USSS.

Members of 811th Security Forces Squadron Protective Services listen to a training scenario recap during a contingency response exercise held by Joint Base Andrews and the United States Secret Service.